//////////////////////////////////////////////////////////////////////////
//
//  Copyright (c) 2025, Cinesite VFX Ltd. All rights reserved.
//
//  Redistribution and use in source and binary forms, with or without
//  modification, are permitted provided that the following conditions are
//  met:
//
//      * Redistributions of source code must retain the above
//        copyright notice, this list of conditions and the following
//        disclaimer.
//
//      * Redistributions in binary form must reproduce the above
//        copyright notice, this list of conditions and the following
//        disclaimer in the documentation and/or other materials provided with
//        the distribution.
//
//      * Neither the name of John Haddon nor the names of
//        any other contributors to this software may be used to endorse or
//        promote products derived from this software without specific prior
//        written permission.
//
//  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
//  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
//  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
//  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
//  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
//  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
//  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
//  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
//  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
//  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
//  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//////////////////////////////////////////////////////////////////////////

#include "GeometryAlgo.h"
#include "Loader.h"

#include "IECoreScene/PointsPrimitive.h"

using namespace IECoreScene;
using namespace IECoreRenderMan;

namespace
{

void convertPointsTopology( const IECoreScene::PointsPrimitive *points, RtPrimVarList &primVars )
{
	primVars.SetDetail(
		points->variableSize( PrimitiveVariable::Uniform ),
		points->variableSize( PrimitiveVariable::Vertex ),
		points->variableSize( PrimitiveVariable::Varying ),
		points->variableSize( PrimitiveVariable::FaceVarying )
	);
}

RtUString convertStaticPoints( const IECoreScene::PointsPrimitive *points, RtPrimVarList &primVars, const std::string &messageContext )
{
	convertPointsTopology( points, primVars );
	GeometryAlgo::convertPrimitiveVariables( points, primVars, messageContext );
	return Loader::strings().k_Ri_Points;
}

RtUString convertAnimatedPoints( const std::vector<const IECoreScene::PointsPrimitive *> &samples, const std::vector<float> &sampleTimes, RtPrimVarList &primVars, const std::string &messageContext )
{
	convertPointsTopology( samples[0], primVars );
	GeometryAlgo::convertPrimitiveVariables( reinterpret_cast<const std::vector<const IECoreScene::Primitive *> &>( samples ), sampleTimes, primVars, messageContext );
	return Loader::strings().k_Ri_Points;
}

GeometryAlgo::ConverterDescription<PointsPrimitive> g_pointsConverterDescription( convertStaticPoints, convertAnimatedPoints );

} // namespace
